Influence of preoperative frailty on quality of life after cardiac surgery: Protocol for a systematic review and meta-analysis

Kathryn Bezzina, Christophe A Fehlmann, Ming Hao Guo, Sarah M Visintini, Fraser D Rubens, George A Wells, Rosetta Mazzola, Caroline McGuinty, Allen Huang, Lara Khoury and Kevin Emery Boczar

PLOS ONE, 2022, vol. 17, issue 2, 1-9

Abstract: Background: Frailty has emerged as an important prognostic marker of adverse outcomes after cardiac surgery, but evidence regarding its ability to predict quality of life after cardiac surgery is currently lacking. Whether frail patients derive the same quality of life benefit after cardiac surgery as patients without frailty remains unclear. Methods: This systematic review will include interventional studies (RCT and others) and observational studies evaluating the effect of preoperative frailty on quality-of-life outcomes after cardiac surgery amongst patients 65 years and older. Studies will be retrieved from major databases including the Cochrane Central Register of Controlled Trials, Embase, and Medline. The primary exposure will be frailty status, independent of the tool used. The primary outcome will be change in quality of life, independent of the tool used. Secondary outcomes will include readmission during the year following the index intervention, discharge to a long-term care facility and living in a long-term care facility at one year. Screening, inclusion, data extraction and quality assessment will be performed independently by two reviewers. Meta-analysis based on the random-effects model will be conducted to compare the outcomes between frail and non-frail patients. The evidential quality of the findings will be assessed with the GRADE profiler. Conclusion: The findings of this systematic review will be important to clinicians, patients and health policy-makers regarding the use of preoperative frailty as a screening and assessment tool before cardiac surgery. Study registration: OSF registries (https://osf.io/vm2p8).

Date: 2022
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0262742

DOI: 10.1371/journal.pone.0262742

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